Monday, 9 December 2013

Warmest day in a month in Sydney, coldest day in almost 9 months in Jyväskylä

Sydney returned to temperatures above 30C today for the first time in a month. The 32.0C measurement at 2:31pm was the warmest since November 8 when it reached 34.0C. The daily minimum of 20.0C was also the highest since November 22.

The prediction for last Friday of a low of 13C was right on the money. The low of 13.1C became and will probably remain as the overall monthly low. Friday's top of 21.8C is also the lowest maximum so far of the month. The weekend was warmer, slowly climbing towards today's 30C+ temperature with 25.6C for Saturday and 27.6C for Sunday. No rain fell over the weekend after 3.4mm across last Thursday and Friday.

Today in Jyväskylä has been quite cool. The maximum so far stands at -6.1C from around 4:30am. With it currently at -10C and unlikely to climb as high again this evening, it will mean this is the coldest day since March 18 when the temperature topped -6.3C. It had already dropped to -14.5C briefly earlier this evening before climbing again in the last 90 minutes.

The following table details the first dates of each winter that experienced a maximum below -5C and a minimum below -15C. Yesterday and today were responsible for this year's respective values (assuming it will drop below -15C later this evening as predicted).





This winter's values are fairly average if we consider the previous 5. The real winter isn't quite here just yet though. Overnight temperatures are predicted to drop to -19C, but rise again to the positive tomorrow evening. 3C and 2C are forecast for Wednesday and Thursday.

The 10 day forecast from Foreca doesn't look very good for those hoping for a white Christmas either, with it currently predicting 3C, 4C and even 5C from Sunday into early next week. FMI currently has a snow depth of 14cm for Jyväskylä Airport, but if temperatures go in the coming days and next week, it won't be there for long.

Winter has certainly arrived in Finland's far north though. In Kilpisjärvi in the far north west near the borders of Sweden and Norway, it was -37.5C earlier today. It has been -32C or below for the last 48hrs. They also have over a metre of snow!

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